1 sm 581 7lv th ru sm 581 9lv surface mount l ow vf schottky rectifier surface mount l ow vf schottky rectifier features mechanical data low power loss, high efficiency high current and surge capability low forward voltage drop guardind for over voltage protechion high temperature soldering guaranteed o 250 c/10 seconds/ 375 , (9.5mm) lead lengths case molded plastic use ul94v-0 recoqnized flame retardant epoxy t erminals plated terminals polarity color band on body denotes cathode mounting position any weight 0.1296grams maximum ratixgs and electrical characteristics u n i t s 0 c - 5 5 t o + 1 2 5 8 0 1 1 0 m a p f symbol v o l t s v o l t s v o l t s a m p s a m p s v o l t s v rrm v rms v dc i (av) i fsm v f i r c j t j t stg 1.0 25 0.35 0.38 0.4 0.5 10 0 c / w r ja o ratings at 25 c ambient temperature unless otherwise specified single phase, half sine wave, 60hz, resistive or inductive load for capacitive load, derate current by 20% maximum current peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current peak forward surge current single sine-wave on rated load (jedec method) maximum instantaneous forward voltage drop at 1.0a dc 0 maximum dc reverse current t a =25 c 0 at rated dc blocking voltage t a =100 c typical thermal resistance typical junction capacitance operating junction and storage temperature range sm5817lv 20 14 20 sm5818lv 30 21 30 SM5819LV 40 28 40 d o - 2 1 3 a b / m e l f 0.022(0.559 ) 0.016(0.406 ) 0.205(5.20 ) 0.185(4.70 ) 0.105(2.67 ) 0.095(2.41 ) + 0 -0.008(0.20 ) solderable ends cathode ban d d1 = d2=d 1 d 2 dimension in inches (millimeters ) www.paceleader.tw
2 sm 581 7lv th ru sm 581 9lv surface mount l ow vf schottky rectifier surface mount l ow vf schottky rectifier ratings and characteristic curves sm5817lv thru SM5819LV fig. 2 - maximum non - repetitive peak forward surge current fig. 1 - derating curve for output rectifier current fig. 4 - typical inst antaneous forward characteristics fig. 3 - typical reverse characteristics sin gle ph as e ha lf w av e 6 0h z re sis tiv e o r ino uc tiv e l oa d a v e r a g e f o r w a r d c u r r e n t . ( a ) l f ( a v ) l f ( a ) ( a ) o ta ( c) o lead temperature ( c) p e a k f o r w a r d s u r g e c u r r e n t . ( a ) l f s m ( a ) 1.0 .75 .50 .25 0 0 100 20 10 1.0 0.1 .1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1 10 1.0 0.1 .01 .001 10 20 40 60 80 100 120 140 400 200 100 60 40 20 10 .1 .4 1.0 4 10 40 20 40 60 80 100 120 140 1 30 25 20 15 10 5 0 2 5 10 20 50 100 number of cycles at 60hz i n s t a n t a n e o u s f o r w a r d c u r r e n t . ( a ) v f (v) instant aneous forward volt age. (v) percent of ra ted peak reverse volt age. (%) i n s t a n t a n e o u s r e v e r s e c u r r e n t . ( m a ) 8. 3m s si ng le h al f s in e- w av e (j ed ec m et ho d) o t j =125 c o t j =75 c o t j =25 c sm58 19l v o t j =25 c pulse width=300 s 1% duty cycle sm58 17l v-s m581 8lv j u n c t i o n c a p a c i t a n c e . ( p f ) p f reverse volt age. (v) fig. 5 -typical junction cap acitance o t j =25 c www.paceleader.tw
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